private static IntPtr SetService(byte[] sdpRecord, ServiceClass cod)
{
BTHNS_SETBLOB blob = new BTHNS_SETBLOB(sdpRecord);
//added for XP - adds class of device bits
#if WinXP
blob.CodService = (uint)cod;
#endif
WSAQUERYSET qs = new WSAQUERYSET();
qs.dwSize = WqsOffset.StructLength_60;
qs.dwNameSpace = WqsOffset.NsBth_16;
System.Diagnostics.Debug.Assert(Marshal.SizeOf(qs) == qs.dwSize, "WSAQUERYSET SizeOf == dwSize");
GCHandle hBlob = GCHandle.Alloc(blob.ToByteArray(), GCHandleType.Pinned);
BLOB b = new BLOB(blob.Length, GCHandleHelper.AddrOfPinnedObject(hBlob));
GCHandle hb = GCHandle.Alloc(b, GCHandleType.Pinned);
qs.lpBlob = hb.AddrOfPinnedObject();
try
{
int hresult = NativeMethods.WSASetService(ref qs, WSAESETSERVICEOP.RNRSERVICE_REGISTER, 0);
BluetoothClient.ThrowSocketExceptionForHR(hresult);
}
finally
{
hb.Free();
hBlob.Free();
}
IntPtr handle = blob.Handle;
blob.Dispose();
return handle;
}
private static void RemoveService(IntPtr handle, byte[] sdpRecord)
{
BTHNS_SETBLOB blob = new BTHNS_SETBLOB(sdpRecord);
blob.Handle = handle;
WSAQUERYSET qs = new WSAQUERYSET();
qs.dwSize = WqsOffset.StructLength_60;
qs.dwNameSpace = WqsOffset.NsBth_16;
System.Diagnostics.Debug.Assert(Marshal.SizeOf(qs) == qs.dwSize, "WSAQUERYSET SizeOf == dwSize");
GCHandle hBlob = GCHandle.Alloc(blob.ToByteArray(), GCHandleType.Pinned);
BLOB b = new BLOB(blob.Length, GCHandleHelper.AddrOfPinnedObject(hBlob));
GCHandle hb = GCHandle.Alloc(b, GCHandleType.Pinned);
qs.lpBlob = hb.AddrOfPinnedObject();
try
{
int hresult = NativeMethods.WSASetService(ref qs, WSAESETSERVICEOP.RNRSERVICE_DELETE, 0);
BluetoothClient.ThrowSocketExceptionForHR(hresult);
}
finally
{
hb.Free();
hBlob.Free();
//release blob and associated GCHandles
blob.Dispose();
}
}